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[taler-exchange] 03/04: add new reserve status/history signatures
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From: |
gnunet |
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Subject: |
[taler-exchange] 03/04: add new reserve status/history signatures |
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Date: |
Sun, 20 Mar 2022 09:44:55 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
commit 1bb5a77c8da3e460b45b3faa49ed10ab6ae9190d
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Sun Mar 20 02:39:28 2022 +0100
add new reserve status/history signatures
---
src/include/taler_crypto_lib.h | 66 ++++++++++++++++++++++++++++++++--
src/include/taler_signatures.h | 55 ++++++++++++++++++++++++++++
src/util/wallet_signatures.c | 82 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 201 insertions(+), 2 deletions(-)
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 5f091e77..8786a378 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -2778,7 +2778,7 @@ TALER_wallet_recoup_verify (
* @param h_denom_pub hash of the denomiantion public key of the coin
* @param coin_bks blinding factor used when withdrawing the coin
* @param coin_priv coin key of the coin to be recouped
- * @param coin_sig resulting signature
+ * @param[out] coin_sig resulting signature
*/
void
TALER_wallet_recoup_sign (
@@ -2811,7 +2811,7 @@ TALER_wallet_recoup_refresh_verify (
* @param h_denom_pub hash of the denomiantion public key of the coin
* @param coin_bks blinding factor used when withdrawing the coin
* @param coin_priv coin key of the coin to be recouped
- * @param coin_sig resulting signature
+ * @param[out] coin_sig resulting signature
*/
void
TALER_wallet_recoup_refresh_sign (
@@ -2821,6 +2821,68 @@ TALER_wallet_recoup_refresh_sign (
struct TALER_CoinSpendSignatureP *coin_sig);
+/**
+ * Verify reserve history request signature.
+ *
+ * @param ts timestamp used
+ * @param history_fee how much did the wallet say it would pay
+ * @param reserve_pub reserve the history request was for
+ * @param reserve_sig resulting signature
+ * @return #GNUNET_OK if the signature is valid
+ */
+enum GNUNET_GenericReturnValue
+TALER_wallet_reserve_history_verify (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_Amount *history_fee,
+ const struct TALER_ReservePublicKeyP *reserve_pub,
+ const struct TALER_ReserveSignatureP *reserve_sig);
+
+
+/**
+ * Create reserve history request signature.
+ *
+ * @param ts timestamp used
+ * @param history_fee how much do we expect to pay
+ * @param reserve_pub reserve the history request is for
+ * @param[out] reserve_sig resulting signature
+ */
+void
+TALER_wallet_reserve_history_sign (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_Amount *history_fee,
+ const struct TALER_ReservePrivateKeyP *reserve_priv,
+ struct TALER_ReserveSignatureP *reserve_sig);
+
+
+/**
+ * Verify reserve status request signature.
+ *
+ * @param ts timestamp used
+ * @param reserve_pub reserve the status request was for
+ * @param reserve_sig resulting signature
+ * @return #GNUNET_OK if the signature is valid
+ */
+enum GNUNET_GenericReturnValue
+TALER_wallet_reserve_status_verify (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_ReservePublicKeyP *reserve_pub,
+ const struct TALER_ReserveSignatureP *reserve_sig);
+
+
+/**
+ * Create reserve status request signature.
+ *
+ * @param ts timestamp used
+ * @param reserve_pub reserve the status request is for
+ * @param[out] reserve_sig resulting signature
+ */
+void
+TALER_wallet_reserve_status_sign (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_ReservePrivateKeyP *reserve_priv,
+ struct TALER_ReserveSignatureP *reserve_sig);
+
+
/* ********************* merchant signing ************************** */
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index 5c5aaeeb..2aa82620 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -283,6 +283,16 @@
*/
#define TALER_SIGNATURE_WALLET_AGE_ATTESTATION 1207
+/**
+ * Request full reserve history and pay for it.
+ */
+#define TALER_SIGNATURE_WALLET_RESERVE_HISTORY 1208
+
+/**
+ * Request detailed account status (for free).
+ */
+#define TALER_SIGNATURE_WALLET_RESERVE_STATUS 1209
+
/******************************/
/* Security module signatures */
@@ -443,6 +453,51 @@ struct TALER_LinkDataPS
};
+/**
+ * Response by which a wallet requests an account status.
+ */
+struct TALER_ReserveStatusRequestPS
+{
+
+ /**
+ * Purpose is #TALER_SIGNATURE_WALLET_RESERVE_STATUS
+ */
+ struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+ /**
+ * When did the wallet make the requst.
+ */
+ struct GNUNET_TIME_TimestampNBO request_timestamp;
+
+};
+
+
+/**
+ * Response by which a wallet requests a full
+ * reserve history and indicates it is willing
+ * to pay for it.
+ */
+struct TALER_ReserveHistoryRequestPS
+{
+
+ /**
+ * Purpose is #TALER_SIGNATURE_WALLET_RESERVE_HISTORY
+ */
+ struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+ /**
+ * When did the wallet make the requst.
+ */
+ struct GNUNET_TIME_TimestampNBO request_timestamp;
+
+ /**
+ * How much does the exchange charge for the history?
+ */
+ struct TALER_AmountNBO history_fee;
+
+};
+
+
/**
* @brief Format used for to generate the signature on a request to withdraw
* coins from a reserve.
diff --git a/src/util/wallet_signatures.c b/src/util/wallet_signatures.c
index 69a26520..ef887044 100644
--- a/src/util/wallet_signatures.c
+++ b/src/util/wallet_signatures.c
@@ -373,4 +373,86 @@ TALER_wallet_account_setup_sign (
}
+enum GNUNET_GenericReturnValue
+TALER_wallet_reserve_history_verify (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_Amount *history_fee,
+ const struct TALER_ReservePublicKeyP *reserve_pub,
+ const struct TALER_ReserveSignatureP *reserve_sig)
+{
+ struct TALER_ReserveHistoryRequestPS rhr = {
+ .purpose.size = htonl (sizeof (rhr)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_HISTORY),
+ .request_timestamp = GNUNET_TIME_timestamp_hton (ts)
+ };
+
+ TALER_amount_hton (&rhr.history_fee,
+ history_fee);
+ return GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW,
+ &rhr,
+ &reserve_sig->eddsa_signature,
+ &reserve_pub->eddsa_pub);
+}
+
+
+void
+TALER_wallet_reserve_history_sign (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_Amount *history_fee,
+ const struct TALER_ReservePrivateKeyP *reserve_priv,
+ struct TALER_ReserveSignatureP *reserve_sig)
+{
+ struct TALER_ReserveHistoryRequestPS rhr = {
+ .purpose.size = htonl (sizeof (rhr)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_HISTORY),
+ .request_timestamp = GNUNET_TIME_timestamp_hton (ts)
+ };
+
+ TALER_amount_hton (&rhr.history_fee,
+ history_fee);
+ GNUNET_CRYPTO_eddsa_sign (&reserve_priv->eddsa_priv,
+ &rhr,
+ &reserve_sig->eddsa_signature);
+}
+
+
+enum GNUNET_GenericReturnValue
+TALER_wallet_reserve_status_verify (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_ReservePublicKeyP *reserve_pub,
+ const struct TALER_ReserveSignatureP *reserve_sig)
+{
+ struct TALER_ReserveStatusRequestPS rsr = {
+ .purpose.size = htonl (sizeof (rsr)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_STATUS),
+ .request_timestamp = GNUNET_TIME_timestamp_hton (ts)
+ };
+
+ return GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_WALLET_RESERVE_STATUS,
+ &rsr,
+ &reserve_sig->eddsa_signature,
+ &reserve_pub->eddsa_pub);
+}
+
+
+void
+TALER_wallet_reserve_status_sign (
+ const struct GNUNET_TIME_Timestamp ts,
+ const struct TALER_ReservePrivateKeyP *reserve_priv,
+ struct TALER_ReserveSignatureP *reserve_sig)
+{
+ struct TALER_ReserveStatusRequestPS rsr = {
+ .purpose.size = htonl (sizeof (rsr)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_STATUS),
+ .request_timestamp = GNUNET_TIME_timestamp_hton (ts)
+ };
+
+ GNUNET_CRYPTO_eddsa_sign (&reserve_priv->eddsa_priv,
+ &rsr,
+ &reserve_sig->eddsa_signature);
+}
+
+
/* end of wallet_signatures.c */
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